To cover completely with splattered liquid, mud, or other material.
From Old English 'be-' (prefix) + 'splatter' (possibly from 'splash' + 'spatter,' imitative origin). The prefix intensifies the scattering effect.
This word is almost onomatopoetic—you can hear the 'splat' in it. Writers used 'bespattered' to describe violence and mess in Shakespeare's time, and it remains vivid: when something is bespattered, it's not slightly wet—it's covered in visible marks and stains.
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